"But while democracy can be periodically delayed it can never be permanently defeated in this truth in this faith we trust"
Amanda Gorman is showing a clear political stance. She used lyrical lines to reassure the listener that their freedom was theirs to keep. She states her belief that democracy will never fail, no matter the challenges we face in the world today that threaten that system.
A brochure from a zoo will likely contain scientific facts and knowledge about the animals, as opposed to entertaining or persuading the target audience, making the author's purpose to inform.